package 剑指offer;

/**
 * @author zhangjunfei
 * @date 2023/8/7 10:02
 */
public class O_15 {

    public int hammingWeight(int n) {
        int count = 0;
        while (n != 0) {
            count += n & 1;
            n = n >>> 1;
        }
        return count;
    }
}
